ArticleJournal of orthopaedic surgery and research2026
The expression characteristics of miR-206-3p in musculoskeletal tissue and its clinical significance.
Article in Journal of orthopaedic surgery and research, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
BACKGROUND AND
objectiveOsteosarcopenia, a comorbidity of osteoporosis and sarcopenia in the elderly, involves bone-muscle crosstalk, but its core molecular mechanism remains unclear. miR-206 is traditionally considered muscle-specific; this study explores miR-206-3p's expression in musculoskeletal tissue and correlation with clinical parameters.
methodsA prospective cohort of 158 elderly hip fracture patients (79 osteosarcopenia, 79 controls) was enrolled. qRT-PCR, in situ hybridization, and scRNA-seq were used to analyze miR-206-3p's expression, distribution, and cell specificity. Correlations with grip strength, gait speed, and BMD were assessed.
resultsmiR-206-3p was significantly downregulated in both tissues of the osteosarcopenia group (P < 0.001), highly expressed in Myod1⁺ muscle satellite cells and Runx2⁺ osteoprogenitor cells (> 82%), and weakly in mature cells (< 12%). It positively correlated with grip strength, gait speed, and BMD (r = 0.562-0.682, P < 0.001).
conclusionmiR-206-3p is co-expressed in bone-muscle progenitor cells, with synchronous downregulation linked to functional decline, challenging its "muscle-specific" notion and serving as a key molecular hub for bone-muscle crosstalk.
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